-/* Cycript - Remove Execution Server and Disassembler
- * Copyright (C) 2009 Jay Freeman (saurik)
+/* Cycript - The Truly Universal Scripting Language
+ * Copyright (C) 2009-2016 Jay Freeman (saurik)
*/
-/* Modified BSD License {{{ */
+/* GNU Affero General Public License, Version 3 {{{ */
/*
- * Redistribution and use in source and binary
- * forms, with or without modification, are permitted
- * provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the
- * above copyright notice, this list of conditions
- * and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the
- * above copyright notice, this list of conditions
- * and the following disclaimer in the documentation
- * and/or other materials provided with the
- * distribution.
- * 3. The name of the author may not be used to endorse
- * or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
- * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
- * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+**/
/* }}} */
-#define _GNU_SOURCE
-
-#include <substrate.h>
#include "cycript.hpp"
+#ifdef CY_EXECUTE
+#include "JavaScript.hpp"
+#endif
+
#include <cstdio>
+#include <complex>
+#include <fstream>
#include <sstream>
-#include <setjmp.h>
-
+#ifdef HAVE_READLINE_H
+#include <readline.h>
+#else
#include <readline/readline.h>
-#include <readline/history.h>
+#endif
-#include <sys/mman.h>
+#ifdef HAVE_HISTORY_H
+#include <history.h>
+#else
+#include <readline/history.h>
+#endif
#include <errno.h>
+#include <getopt.h>
+#include <setjmp.h>
+#include <signal.h>
#include <unistd.h>
+#include <sys/socket.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
+#include <netdb.h>
-#include "Cycript.tab.hh"
-
+#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <sys/un.h>
+#include <dlfcn.h>
+#include <pwd.h>
+#include <term.h>
+
+#ifdef __APPLE__
+#include <mach/mach_time.h>
+#endif
+
+#include "Code.hpp"
+#include "Driver.hpp"
+#include "Error.hpp"
+#include "Highlight.hpp"
+#include "Syntax.hpp"
+
+extern "C" int rl_display_fixed;
+extern "C" int _rl_vis_botlin;
+extern "C" int _rl_last_c_pos;
+extern "C" int _rl_last_v_pos;
+
+typedef std::complex<int> CYCursor;
+
+static CYCursor current_;
+static int width_;
+static size_t point_;
+
+unsigned CYDisplayWidth() {
+ struct winsize info;
+ if (ioctl(1, TIOCGWINSZ, &info) != -1)
+ return info.ws_col;
+ return tgetnum(const_cast<char *>("co"));
+}
+
+void CYDisplayOutput_(bool display, const char *&data) {
+ for (;; ++data) {
+ char next(*data);
+ if (next == '\0' || next == CYIgnoreEnd)
+ return;
+ if (display)
+ putchar(next);
+ }
+}
+
+CYCursor CYDisplayOutput(bool display, int width, const char *data, ssize_t offset = 0) {
+ CYCursor point(current_);
+
+ for (;;) {
+ if (offset-- == 0)
+ point = current_;
+ switch (char next = *data++) {
+ case '\0':
+ return point;
+ break;
+
+ case CYIgnoreStart:
+ CYDisplayOutput_(display, data);
+ case CYIgnoreEnd:
+ ++offset;
+ break;
+
+ default:
+ if (display)
+ putchar(next);
+ current_ += CYCursor(0, 1);
+ if (current_.imag() != width)
+ break;
+ current_ = CYCursor(current_.real() + 1, 0);
+ if (display)
+ putp(clr_eos);
+ break;
+
+ case '\n':
+ current_ = CYCursor(current_.real() + 1, 4);
+ if (display) {
+ putp(clr_eol);
+ putchar('\n');
+ putchar(' ');
+ putchar(' ');
+ putchar(' ');
+ putchar(' ');
+ }
+ break;
+
+ }
+ }
+}
+
+void CYDisplayMove_(char *negative, char *positive, int offset) {
+ if (offset < 0)
+ putp(tparm(negative, -offset));
+ else if (offset > 0)
+ putp(tparm(positive, offset));
+}
+
+void CYDisplayMove(CYCursor target) {
+ CYCursor offset(target - current_);
+
+ CYDisplayMove_(parm_up_cursor, parm_down_cursor, offset.real());
+
+ if (char *parm = tparm(column_address, target.imag()))
+ putp(parm);
+ else
+ CYDisplayMove_(parm_left_cursor, parm_right_cursor, offset.imag());
+
+ current_ = target;
+}
+
+void CYDisplayUpdate() {
+ current_ = CYCursor(_rl_last_v_pos, _rl_last_c_pos);
+
+ const char *prompt(rl_display_prompt);
+
+ std::ostringstream stream;
+ CYLexerHighlight(rl_line_buffer, rl_end, stream, true);
+ std::string string(stream.str());
+ const char *buffer(string.c_str());
+
+ int width(CYDisplayWidth());
+ if (width_ != width) {
+ current_ = CYCursor();
+ CYDisplayOutput(false, width, prompt);
+ current_ = CYDisplayOutput(false, width, buffer, point_);
+ }
+
+ CYDisplayMove(CYCursor());
+ CYDisplayOutput(true, width, prompt);
+ CYCursor target(CYDisplayOutput(true, width, stream.str().c_str(), rl_point));
+
+ _rl_vis_botlin = current_.real();
+
+ if (current_.imag() == 0)
+ CYDisplayOutput(true, width, " ");
+ putp(clr_eos);
+
+ CYDisplayMove(target);
+ fflush(stdout);
+
+ _rl_last_v_pos = current_.real();
+ _rl_last_c_pos = current_.imag();
+
+ width_ = width;
+ point_ = rl_point;
+}
+
static volatile enum {
Working,
Parsing,
case Parsing:
longjmp(ctrlc_, 1);
case Running:
- throw "*** Ctrl-C";
+#ifndef __ANDROID__
+ CYCancel();
+#endif
+ return;
case Sending:
return;
case Waiting:
}
}
-#if YYDEBUG
static bool bison_;
-#endif
+static bool timing_;
static bool strict_;
static bool pretty_;
-void Setup(CYDriver &driver, cy::parser &parser) {
-#if YYDEBUG
+void Setup(CYDriver &driver) {
if (bison_)
- parser.set_debug_level(1);
-#endif
+ driver.debug_ = 1;
if (strict_)
driver.strict_ = true;
}
-void Setup(CYOutput &out) {
+void Setup(CYOutput &out, CYDriver &driver, CYOptions &options, bool lower) {
out.pretty_ = pretty_;
+ if (lower)
+ driver.Replace(options);
}
-void Run(int socket, const char *data, size_t size, FILE *fout = NULL, bool expand = false) {
- CYPool pool;
-
+static CYUTF8String Run(CYPool &pool, int client, CYUTF8String code) {
const char *json;
- if (socket == -1) {
+ uint32_t size;
+
+ if (client == -1) {
mode_ = Running;
- json = CYExecute(pool, data);
+#ifdef CY_EXECUTE
+ json = CYExecute(CYGetJSContext(), pool, code);
+#else
+ json = NULL;
+#endif
mode_ = Working;
- if (json != NULL)
+ if (json == NULL)
+ size = 0;
+ else
size = strlen(json);
} else {
mode_ = Sending;
- CYSendAll(socket, &size, sizeof(size));
- CYSendAll(socket, data, size);
+ size = code.size;
+ _assert(CYSendAll(client, &size, sizeof(size)));
+ _assert(CYSendAll(client, code.data, code.size));
mode_ = Waiting;
- CYRecvAll(socket, &size, sizeof(size));
- if (size == _not(size_t))
+ _assert(CYRecvAll(client, &size, sizeof(size)));
+ if (size == _not(uint32_t))
json = NULL;
else {
char *temp(new(pool) char[size + 1]);
- CYRecvAll(socket, temp, size);
+ _assert(CYRecvAll(client, temp, size));
temp[size] = '\0';
json = temp;
}
mode_ = Working;
}
- if (json != NULL && fout != NULL) {
- if (!expand || json[0] != '"' && json[0] != '\'')
- fputs(json, fout);
- else for (size_t i(0); i != size; ++i)
- if (json[i] != '\\')
- fputc(json[i], fout);
- else switch(json[++i]) {
- case '\0': goto done;
- case '\\': fputc('\\', fout); break;
- case '\'': fputc('\'', fout); break;
- case '"': fputc('"', fout); break;
- case 'b': fputc('\b', fout); break;
- case 'f': fputc('\f', fout); break;
- case 'n': fputc('\n', fout); break;
- case 'r': fputc('\r', fout); break;
- case 't': fputc('\t', fout); break;
- case 'v': fputc('\v', fout); break;
- default: fputc('\\', fout); --i; break;
+ return CYUTF8String(json, size);
+}
+
+static CYUTF8String Run(CYPool &pool, int client, const std::string &code) {
+ return Run(pool, client, CYUTF8String(code.c_str(), code.size()));
+}
+
+static std::ostream *out_;
+
+static void Output(CYUTF8String json, std::ostream *out, bool reparse = false) {
+ CYPool pool;
+
+ if (reparse) do {
+ CYStream stream(json.data, json.data + json.size);
+ CYDriver driver(pool, stream);
+ if (driver.Parse(CYMarkExpression))
+ break;
+ std::stringbuf str;
+ CYOptions options;
+ CYOutput out(str, options);
+ out.pretty_ = true;
+ out << *driver.context_;
+ std::string data(str.str());
+ json = CYPoolUTF8String(pool, data);
+ if (json.size == 0)
+ json.data = NULL;
+ } while (false);
+
+ const char *data(json.data);
+ size_t size(json.size);
+
+ if (data == NULL || out == NULL)
+ return;
+
+ CYLexerHighlight(data, size, *out);
+ *out << std::endl;
+}
+
+int (*append_history$)(int, const char *);
+
+static std::string command_;
+
+static int client_;
+
+static CYUTF8String Run(CYPool &pool, const std::string &code) {
+ return Run(pool, client_, code);
+}
+
+static char **Complete(const char *word, int start, int end) {
+ rl_attempted_completion_over = ~0;
+ std::string line(rl_line_buffer, start);
+ char **values(CYComplete(word, command_ + line, &Run));
+ mode_ = Parsing;
+ return values;
+}
+
+// need char *, not const char *
+static char name_[] = "cycript";
+static char break_[] = " \t\n\"\\'`@><=;|&{(" ")}" ".:[]";
+
+class History {
+ private:
+ std::string histfile_;
+ size_t histlines_;
+
+ public:
+ History(std::string histfile) :
+ histfile_(histfile),
+ histlines_(0)
+ {
+ read_history(histfile_.c_str());
+
+ for (HIST_ENTRY *history((history_set_pos(0), current_history())); history; history = next_history())
+ for (char *character(history->line); *character; ++character)
+ if (*character == '\x01') *character = '\n';
+ }
+
+ ~History() { try {
+ for (HIST_ENTRY *history((history_set_pos(0), current_history())); history; history = next_history())
+ for (char *character(history->line); *character; ++character)
+ if (*character == '\n') *character = '\x01';
+
+ if (append_history$ != NULL) {
+ int fd(_syscall(open(histfile_.c_str(), O_CREAT | O_WRONLY, 0600)));
+ _syscall(close(fd));
+ _assert((*append_history$)(histlines_, histfile_.c_str()) == 0);
+ } else {
+ _assert(write_history(histfile_.c_str()) == 0);
+ }
+ } catch (const CYException &error) {
+ CYPool pool;
+ std::cout << error.PoolCString(pool) << std::endl;
+ } }
+
+ void operator +=(std::string command) {
+ if (HIST_ENTRY *entry = history_get(where_history()))
+ if (command == entry->line)
+ return;
+ add_history(command.c_str());
+ ++histlines_;
+ }
+};
+
+template <typename Type_>
+static Type_ *CYmemrchr(Type_ *data, Type_ value, size_t size) {
+ while (size != 0)
+ if (data[--size] == value)
+ return data + size;
+ return NULL;
+}
+
+static void _lblcall(int (*command)(int, int), int count, int key) {
+ int last(_rl_last_c_pos);
+ // rl_rubout crashes in _rl_erase_at_end_of_line if _rl_last_c_pos != 0
+ if (command == &rl_rubout)
+ _rl_last_c_pos = 0;
+ for (int i(0); i != count; ++i)
+ if (command(1, key) != 0)
+ _assert(false);
+ _rl_last_c_pos = last;
+}
+
+static int CYConsoleKeyReturn(int count, int key) {
+ if (rl_point != rl_end) {
+ if (memchr(rl_line_buffer, '\n', rl_end) == NULL) {
+ _lblcall(&rl_newline, count, key);
+ return 0;
+ }
+
+ insert:
+ char *before(CYmemrchr(rl_line_buffer, '\n', rl_point));
+ if (before == NULL)
+ before = rl_line_buffer;
+
+ int space(before + 1 - rl_line_buffer);
+ while (space != rl_point && rl_line_buffer[space] == ' ')
+ ++space;
+
+ int adjust(rl_line_buffer + space - 1 - before);
+ if (space == rl_point && adjust != 0)
+ _lblcall(&rl_rubout, adjust, '\b');
+
+ _lblcall(&rl_insert, count, '\n');
+ if (adjust != 0)
+ _lblcall(&rl_insert, adjust, ' ');
+
+ return 0;
+ }
+
+ bool done(false);
+ if (rl_line_buffer[0] == '?')
+ done = true;
+ else {
+ std::string command(rl_line_buffer, rl_end);
+ command += '\n';
+ std::stringbuf stream(command);
+
+ size_t last(std::string::npos);
+ for (size_t i(0); i != std::string::npos; i = command.find('\n', i + 1))
+ ++last;
+
+ CYPool pool;
+ CYDriver driver(pool, stream);
+ if (driver.Parse() || !driver.errors_.empty())
+ for (CYDriver::Errors::const_iterator error(driver.errors_.begin()); error != driver.errors_.end(); ++error) {
+ if (error->location_.begin.line != last + 1)
+ done = true;
+ break;
}
+ else
+ done = true;
+ }
+
+ if (done) {
+ _lblcall(&rl_newline, count, key);
+ return 0;
+ }
+
+ // XXX: this was the most obvious fix, but is seriously dumb
+ goto insert;
+}
+
+static int CYConsoleKeyUp(int count, int key) {
+ for (; count != 0; --count) {
+ char *after(CYmemrchr(rl_line_buffer, '\n', rl_point));
+ if (after == NULL) {
+ if (int value = rl_get_previous_history(1, key))
+ return value;
+ continue;
+ }
+
+ char *before(CYmemrchr(rl_line_buffer, '\n', after - rl_line_buffer));
+ if (before == NULL)
+ before = rl_line_buffer - 1;
+
+ ptrdiff_t offset(rl_line_buffer + rl_point - after);
+ if (offset > after - before)
+ rl_point = after - rl_line_buffer;
+ else
+ rl_point = before + offset - rl_line_buffer;
+ }
+
+ return 0;
+}
+
+static int CYConsoleKeyDown(int count, int key) {
+ for (; count != 0; --count) {
+ char *after(static_cast<char *>(memchr(rl_line_buffer + rl_point, '\n', rl_end - rl_point)));
+ if (after == NULL) {
+ int where(where_history());
+ if (int value = rl_get_next_history(1, key))
+ return value;
+ if (where != where_history()) {
+ char *first(static_cast<char *>(memchr(rl_line_buffer, '\n', rl_end)));
+ if (first != NULL)
+ rl_point = first - 1 - rl_line_buffer;
+ }
+ continue;
+ }
+
+ char *before(CYmemrchr(rl_line_buffer, '\n', rl_point));
+ if (before == NULL)
+ before = rl_line_buffer - 1;
+
+ char *next(static_cast<char *>(memchr(after + 1, '\n', rl_line_buffer + rl_end - after - 1)));
+ if (next == NULL)
+ next = rl_line_buffer + rl_end;
+
+ ptrdiff_t offset(rl_line_buffer + rl_point - before);
+ if (offset > next - after)
+ rl_point = next - rl_line_buffer;
+ else
+ rl_point = after + offset - rl_line_buffer;
+ }
+
+ return 0;
+}
+
+static int CYConsoleLineBegin(int count, int key) {
+ while (rl_point != 0 && rl_line_buffer[rl_point - 1] != '\n')
+ --rl_point;
+ return 0;
+}
+
+static int CYConsoleLineEnd(int count, int key) {
+ while (rl_point != rl_end && rl_line_buffer[rl_point] != '\n')
+ ++rl_point;
+ if (rl_point != rl_end && rl_editing_mode == 0)
+ --rl_point;
+ return 0;
+}
+
+static int CYConsoleKeyBack(int count, int key) {
+ for (; count != 0; --count) {
+ if (rl_point == 0)
+ return 1;
+
+ char *before(CYmemrchr(rl_line_buffer, '\n', rl_point));
+ if (before == NULL) {
+ int adjust(std::min(count, rl_point));
+ _lblcall(&rl_rubout, adjust, key);
+ count -= adjust - 1;
+ continue;
+ }
+
+ int start(before + 1 - rl_line_buffer);
+ if (start == rl_point) rubout: {
+ _lblcall(&rl_rubout, 1, key);
+ continue;
+ }
+
+ for (int i(start); i != rl_point; ++i)
+ if (rl_line_buffer[i] != ' ')
+ goto rubout;
+ _lblcall(&rl_rubout, (rl_point - start) % 4 ?: 4, key);
+ }
+
+ return 0;
+}
- done:
- fputs("\n", fout);
- fflush(fout);
+static int CYConsoleKeyTab(int count, int key) {
+ char *before(CYmemrchr(rl_line_buffer, '\n', rl_point));
+ if (before == NULL) complete:
+ return rl_complete_internal(rl_completion_mode(&CYConsoleKeyTab));
+ int start(before + 1 - rl_line_buffer);
+ for (int i(start); i != rl_point; ++i)
+ if (rl_line_buffer[i] != ' ')
+ goto complete;
+ _lblcall(&rl_insert, 4 - (rl_point - start) % 4, ' ');
+ return 0;
+}
+
+static void CYConsoleRemapBind(Keymap map, rl_command_func_t *from, rl_command_func_t *to) {
+ char **keyseqs(rl_invoking_keyseqs_in_map(from, map));
+ if (keyseqs == NULL)
+ return;
+ for (char **keyseq(keyseqs); *keyseq != NULL; ++keyseq) {
+ rl_bind_keyseq_in_map(*keyseq, to, map);
+ free(*keyseq);
}
+ free(keyseqs);
+}
+
+static void CYConsoleRemapKeys(Keymap map) {
+ CYConsoleRemapBind(map, &rl_beg_of_line, &CYConsoleLineBegin);
+ CYConsoleRemapBind(map, &rl_end_of_line, &CYConsoleLineEnd);
+
+ CYConsoleRemapBind(map, &rl_get_previous_history, &CYConsoleKeyUp);
+ CYConsoleRemapBind(map, &rl_get_next_history, &CYConsoleKeyDown);
+
+ CYConsoleRemapBind(map, &rl_rubout, &CYConsoleKeyBack);
+ CYConsoleRemapBind(map, &rl_complete, &CYConsoleKeyTab);
+}
+
+static void CYConsolePrepTerm(int meta) {
+ rl_prep_terminal(meta);
+
+ CYConsoleRemapKeys(emacs_standard_keymap);
+ CYConsoleRemapKeys(emacs_meta_keymap);
+ CYConsoleRemapKeys(emacs_ctlx_keymap);
+ CYConsoleRemapKeys(vi_insertion_keymap);
+ CYConsoleRemapKeys(vi_movement_keymap);
}
-void Run(int socket, std::string &code, FILE *fout = NULL, bool expand = false) {
- Run(socket, code.c_str(), code.size(), fout, expand);
+static void CYOutputRun(const std::string &code, bool reparse = false) {
+ CYPool pool;
+ Output(Run(pool, client_, code), &std::cout, reparse);
}
-static void Console(int socket) {
+static void Console(CYOptions &options) {
+ std::string basedir;
+#ifdef __ANDROID__
+ basedir = "/data/local/tmp";
+#else
+ if (const char *home = getenv("HOME"))
+ basedir = home;
+ else {
+ passwd *passwd;
+ if (const char *username = getenv("LOGNAME"))
+ passwd = getpwnam(username);
+ else
+ passwd = getpwuid(getuid());
+ basedir = passwd->pw_dir;
+ }
+#endif
+
+ basedir += "/.cycript";
+ mkdir(basedir.c_str(), 0700);
+
+ rl_initialize();
+ rl_readline_name = name_;
+
+ History history(basedir + "/history");
+
bool bypass(false);
bool debug(false);
- bool expand(false);
+ bool lower(true);
+ bool reparse(false);
- FILE *fout(stdout);
+ out_ = &std::cout;
- rl_bind_key('\t', rl_insert);
+ rl_completer_word_break_characters = break_;
+ rl_attempted_completion_function = &Complete;
- struct sigaction action;
- sigemptyset(&action.sa_mask);
- action.sa_handler = &sigint;
- action.sa_flags = 0;
- sigaction(SIGINT, &action, NULL);
+ if (cur_term != NULL) {
+ rl_redisplay_function = CYDisplayUpdate;
+ rl_prep_term_function = CYConsolePrepTerm;
+ }
- restart: for (;;) {
- std::string command;
- std::vector<std::string> lines;
+ CYOutputRun("");
- bool extra(false);
- const char *prompt("cy# ");
+ for (;;) {
+ struct sigaction action;
+ sigemptyset(&action.sa_mask);
+ action.sa_handler = &sigint;
+ action.sa_flags = 0;
+ sigaction(SIGINT, &action, NULL);
if (setjmp(ctrlc_) != 0) {
mode_ = Working;
- fputs("\n", fout);
- fflush(fout);
- goto restart;
+ *out_ << std::endl;
+ continue;
+ }
+
+ if (bypass) {
+ rl_bind_key('\r', &rl_newline);
+ rl_bind_key('\n', &rl_newline);
+ } else {
+ rl_bind_key('\r', &CYConsoleKeyReturn);
+ rl_bind_key('\n', &CYConsoleKeyReturn);
}
- read:
mode_ = Parsing;
- char *line(readline(prompt));
+ char *line(readline("cy# "));
mode_ = Working;
- if (line == NULL)
- break;
- if (!extra) {
- extra = true;
- if (line[0] == '?') {
- std::string data(line + 1);
- if (data == "bypass") {
- bypass = !bypass;
- fprintf(fout, "bypass == %s\n", bypass ? "true" : "false");
- fflush(fout);
- } else if (data == "debug") {
- debug = !debug;
- fprintf(fout, "debug == %s\n", debug ? "true" : "false");
- fflush(fout);
- } else if (data == "expand") {
- expand = !expand;
- fprintf(fout, "expand == %s\n", expand ? "true" : "false");
- fflush(fout);
- }
- add_history(line);
- goto restart;
- }
+ if (line == NULL) {
+ *out_ << std::endl;
+ break;
}
- command += line;
+ std::string command(line);
+ free(line);
+ if (command.empty())
+ continue;
+ history += command;
+
+ if (command[0] == '?') {
+ std::string data(command.substr(1));
+ if (data == "bypass") {
+ bypass = !bypass;
+ *out_ << "bypass == " << (bypass ? "true" : "false") << std::endl;
+ } else if (data == "debug") {
+ debug = !debug;
+ *out_ << "debug == " << (debug ? "true" : "false") << std::endl;
+ } else if (data == "destroy") {
+ CYDestroyContext();
+ } else if (data == "gc") {
+ *out_ << "collecting... " << std::flush;
+ CYGarbageCollect(CYGetJSContext());
+ *out_ << "done." << std::endl;
+ } else if (data == "exit") {
+ return;
+ } else if (data == "lower") {
+ lower = !lower;
+ *out_ << "lower == " << (lower ? "true" : "false") << std::endl;
+ } else if (data == "reparse") {
+ reparse = !reparse;
+ *out_ << "reparse == " << (reparse ? "true" : "false") << std::endl;
+ }
- char *begin(line), *end(line + strlen(line));
- while (char *nl = reinterpret_cast<char *>(memchr(begin, '\n', end - begin))) {
- *nl = '\0';
- lines.push_back(begin);
- begin = nl + 1;
+ continue;
}
- lines.push_back(begin);
-
- free(line);
-
std::string code;
-
if (bypass)
code = command;
- else {
- CYDriver driver("");
- cy::parser parser(driver);
- Setup(driver, parser);
+ else try {
+ std::stringbuf stream(command);
- driver.data_ = command.c_str();
- driver.size_ = command.size();
+ CYPool pool;
+ CYDriver driver(pool, stream);
+ Setup(driver);
- if (parser.parse() != 0 || !driver.errors_.empty()) {
+ if (driver.Parse() || !driver.errors_.empty()) {
for (CYDriver::Errors::const_iterator error(driver.errors_.begin()); error != driver.errors_.end(); ++error) {
- cy::position begin(error->location_.begin);
- if (begin.line != lines.size() || begin.column - 1 != lines.back().size() || error->warning_) {
- cy::position end(error->location_.end);
-
- if (begin.line != lines.size()) {
- std::cerr << " | ";
- std::cerr << lines[begin.line - 1] << std::endl;
- }
-
- std::cerr << "....";
- for (size_t i(0); i != begin.column - 1; ++i)
- std::cerr << '.';
- if (begin.line != end.line || begin.column == end.column)
- std::cerr << '^';
- else for (size_t i(0), e(end.column - begin.column); i != e; ++i)
- std::cerr << '^';
- std::cerr << std::endl;
+ CYPosition begin(error->location_.begin);
+ CYPosition end(error->location_.end);
+ /*if (begin.line != lines2.size()) {
std::cerr << " | ";
- std::cerr << error->message_ << std::endl;
-
- add_history(command.c_str());
- goto restart;
- }
+ std::cerr << lines2[begin.line - 1] << std::endl;
+ }*/
+
+ std::cerr << "....";
+ for (size_t i(0); i != begin.column; ++i)
+ std::cerr << '.';
+ if (begin.line != end.line || begin.column == end.column)
+ std::cerr << '^';
+ else for (size_t i(0), e(end.column - begin.column); i != e; ++i)
+ std::cerr << '^';
+ std::cerr << std::endl;
+
+ std::cerr << " | ";
+ std::cerr << error->message_ << std::endl;
+
+ break;
}
- driver.errors_.clear();
-
- command += '\n';
- prompt = "cy> ";
- goto read;
+ continue;
}
- if (driver.program_ == NULL)
- goto restart;
-
- if (socket != -1)
- code = command;
- else {
- std::ostringstream str;
- CYOutput out(str);
- Setup(out);
- driver.program_->Multiple(out);
- code = str.str();
- }
+ if (driver.script_ == NULL)
+ continue;
+
+ std::stringbuf str;
+ CYOutput out(str, options);
+ Setup(out, driver, options, lower);
+ out << *driver.script_;
+ code = str.str();
+ } catch (const CYException &error) {
+ CYPool pool;
+ std::cout << error.PoolCString(pool) << std::endl;
+ continue;
}
- add_history(command.c_str());
-
- if (debug)
- std::cout << code << std::endl;
+ if (debug) {
+ std::cout << "cy= ";
+ CYLexerHighlight(code.c_str(), code.size(), std::cout);
+ std::cout << std::endl;
+ }
- Run(socket, code, fout, expand);
+ CYOutputRun(code, reparse);
}
-
- fputs("\n", fout);
- fflush(fout);
}
-static void *Map(const char *path, size_t *psize) {
- int fd;
- _syscall(fd = open(path, O_RDONLY));
-
- struct stat stat;
- _syscall(fstat(fd, &stat));
- size_t size(stat.st_size);
-
- *psize = size;
-
- void *base;
- _syscall(base = mmap(NULL, size, PROT_READ, MAP_SHARED, fd, 0));
+void InjectLibrary(pid_t, int, const char *const []);
- _syscall(close(fd));
- return base;
+static uint64_t CYGetTime() {
+#ifdef __APPLE__
+ return mach_absolute_time();
+#else
+ struct timespec spec;
+ clock_gettime(CLOCK_MONOTONIC, &spec);
+ return spec.tv_sec * UINT64_C(1000000000) + spec.tv_nsec;
+#endif
}
-int main(int argc, char *argv[]) {
+int Main(int argc, char * const argv[], char const * const envp[]) {
bool tty(isatty(STDIN_FILENO));
- pid_t pid(_not(pid_t));
bool compile(false);
+ bool target(false);
+ CYOptions options;
- for (;;) switch (getopt(argc, argv, "cg:n:p:s")) {
- case -1:
- goto getopt;
- case '?':
- fprintf(stderr, "usage: cycript [-c] [-p <pid>] [<script> [<arg>...]]\n");
- return 1;
+ append_history$ = (int (*)(int, const char *)) (dlsym(RTLD_DEFAULT, "append_history"));
+
+#ifdef CY_ATTACH
+ pid_t pid(_not(pid_t));
+#endif
+
+ const char *host(NULL);
+ const char *port(NULL);
- case 'c':
- compile = true;
- break;
+ const char *argv0(argv[0]);
- case 'g':
- if (false);
-#if YYDEBUG
- else if (strcmp(optarg, "bison") == 0)
- bison_ = true;
+ optind = 1;
+
+ for (;;) {
+ int option(getopt_long(argc, argv,
+ "c"
+ "g:"
+ "n:"
+#ifdef CY_ATTACH
+ "p:"
#endif
- else {
- fprintf(stderr, "invalid name for -g\n");
+ "r:"
+ "s"
+ , (const struct option[]) {
+ {NULL, no_argument, NULL, 'c'},
+ {NULL, required_argument, NULL, 'g'},
+ {NULL, required_argument, NULL, 'n'},
+#ifdef CY_ATTACH
+ {NULL, required_argument, NULL, 'p'},
+#endif
+ {NULL, required_argument, NULL, 'r'},
+ {NULL, no_argument, NULL, 's'},
+ {0, 0, 0, 0}}, NULL));
+
+ switch (option) {
+ case -1:
+ goto getopt;
+
+ case ':':
+ case '?':
+ fprintf(stderr,
+ "usage: cycript [-c]"
+#ifdef CY_ATTACH
+ " [-p <pid|name>]"
+#endif
+ " [-r <host:port>]"
+ " [<script> [<arg>...]]\n"
+ );
return 1;
- }
- break;
- case 'n':
- if (false);
- else if (strcmp(optarg, "minify") == 0)
- pretty_ = true;
- else {
- fprintf(stderr, "invalid name for -n\n");
- return 1;
- }
- break;
-
- case 'p': {
- size_t size(strlen(optarg));
- char *end;
- pid = strtoul(optarg, &end, 0);
- if (optarg + size != end) {
- fprintf(stderr, "invalid pid for -p\n");
- return 1;
- }
- } break;
+ target:
+ if (!target)
+ target = true;
+ else {
+ fprintf(stderr, "only one of -[c"
+#ifdef CY_ATTACH
+ "p"
+#endif
+ "r] may be used at a time\n");
+ return 1;
+ }
+ break;
- case 's':
- strict_ = true;
- break;
- } getopt:;
+ case 'c':
+ compile = true;
+ goto target;
+
+ case 'g':
+ if (false);
+ else if (strcmp(optarg, "rename") == 0)
+ options.verbose_ = true;
+ else if (strcmp(optarg, "bison") == 0)
+ bison_ = true;
+ else if (strcmp(optarg, "timing") == 0)
+ timing_ = true;
+ else {
+ fprintf(stderr, "invalid name for -g\n");
+ return 1;
+ }
+ break;
- const char *script;
+ case 'n':
+ if (false);
+ else if (strcmp(optarg, "minify") == 0)
+ pretty_ = true;
+ else {
+ fprintf(stderr, "invalid name for -n\n");
+ return 1;
+ }
+ break;
- if (pid != _not(pid_t) && optind < argc - 1) {
- fprintf(stderr, "-p cannot set argv\n");
- return 1;
+#ifdef CY_ATTACH
+ case 'p': {
+ size_t size(strlen(optarg));
+ char *end;
+
+ pid = strtoul(optarg, &end, 0);
+ if (optarg + size != end) {
+ // XXX: arg needs to be escaped in some horrendous way of doom
+ // XXX: this is a memory leak now because I just don't care enough
+ char *command;
+ int writ(asprintf(&command, "ps axc|sed -e '/^ *[0-9]/{s/^ *\\([0-9]*\\)\\( *[^ ]*\\)\\{3\\} *-*\\([^ ]*\\)/\\3 \\1/;/^%s /{s/^[^ ]* //;q;};};d'", optarg));
+ _assert(writ != -1);
+
+ if (FILE *pids = popen(command, "r")) {
+ char value[32];
+ size = 0;
+
+ for (;;) {
+ size_t read(fread(value + size, 1, sizeof(value) - size, pids));
+ if (read == 0)
+ break;
+ else {
+ size += read;
+ if (size == sizeof(value))
+ goto fail;
+ }
+ }
+
+ size:
+ if (size == 0)
+ goto fail;
+ if (value[size - 1] == '\n') {
+ --size;
+ goto size;
+ }
+
+ value[size] = '\0';
+ size = strlen(value);
+ pid = strtoul(value, &end, 0);
+ if (value + size != end) fail:
+ pid = _not(pid_t);
+ _syscall(pclose(pids));
+ }
+
+ if (pid == _not(pid_t)) {
+ fprintf(stderr, "unable to find process `%s' using ps\n", optarg);
+ return 1;
+ }
+ }
+ } goto target;
+#endif
+
+ case 'r': {
+ //size_t size(strlen(optarg));
+
+ char *colon(strrchr(optarg, ':'));
+ if (colon == NULL) {
+ fprintf(stderr, "missing colon in hostspec\n");
+ return 1;
+ }
+
+ /*char *end;
+ port = strtoul(colon + 1, &end, 10);
+ if (end != optarg + size) {
+ fprintf(stderr, "invalid port in hostspec\n");
+ return 1;
+ }*/
+
+ host = optarg;
+ *colon = '\0';
+ port = colon + 1;
+ } goto target;
+
+ case 's':
+ strict_ = true;
+ break;
+
+ default:
+ _assert(false);
+ }
}
- if (pid != _not(pid_t) && compile) {
- fprintf(stderr, "-p conflicts with -c\n");
+ getopt:
+ argc -= optind;
+ argv += optind;
+
+ const char *script;
+
+#ifdef CY_ATTACH
+ if (pid != _not(pid_t) && argc > 1) {
+ fprintf(stderr, "-p cannot set argv\n");
return 1;
}
+#endif
- if (optind == argc)
+ if (argc == 0)
script = NULL;
else {
- // XXX: const_cast?! wtf gcc :(
- CYSetArgs(argc - optind - 1, const_cast<const char **>(argv + optind + 1));
- script = argv[optind];
+ script = argv[0];
if (strcmp(script, "-") == 0)
script = NULL;
+ --argc;
+ ++argv;
}
- if (script == NULL && !tty && pid != _not(pid_t)) {
- fprintf(stderr, "non-terminal attaching to remove console\n");
- return 1;
- }
-
- int socket;
+#ifdef CY_EXECUTE
+ // XXX: const_cast?! wtf gcc :(
+ CYSetArgs(argv0, script, argc, const_cast<const char **>(argv));
+#endif
+#ifdef CY_ATTACH
if (pid == _not(pid_t))
- socket = -1;
+ client_ = -1;
else {
- socket = _syscall(::socket(PF_UNIX, SOCK_STREAM, 0));
+ struct Socket {
+ int fd_;
+
+ Socket(int fd) :
+ fd_(fd)
+ {
+ }
+
+ ~Socket() {
+ close(fd_);
+ }
+
+ operator int() {
+ return fd_;
+ }
+ } server(_syscall(socket(PF_UNIX, SOCK_STREAM, 0)));
struct sockaddr_un address;
memset(&address, 0, sizeof(address));
address.sun_family = AF_UNIX;
- sprintf(address.sun_path, "/tmp/.s.cy.%u", pid);
- _syscall(connect(socket, reinterpret_cast<sockaddr *>(&address), SUN_LEN(&address)));
+ const char *tmp;
+#if defined(__APPLE__) && (defined(__arm__) || defined(__arm64__))
+ tmp = "/Library/Caches";
+#else
+ tmp = "/tmp";
+#endif
+
+ sprintf(address.sun_path, "%s/.s.cy.%u", tmp, getpid());
+ unlink(address.sun_path);
+
+ struct File {
+ const char *path_;
+
+ File(const char *path) :
+ path_(path)
+ {
+ }
+
+ ~File() {
+ unlink(path_);
+ }
+ } file(address.sun_path);
+
+ _syscall(bind(server, reinterpret_cast<sockaddr *>(&address), sizeof(address)));
+ _syscall(chmod(address.sun_path, 0777));
+
+ _syscall(listen(server, 1));
+ const char *const argv[] = {address.sun_path, NULL};
+ InjectLibrary(pid, 1, argv);
+ client_ = _syscall(accept(server, NULL, NULL));
+ }
+#else
+ client_ = -1;
+#endif
+
+ if (client_ == -1 && host != NULL && port != NULL) {
+ struct addrinfo hints;
+ memset(&hints, 0, sizeof(hints));
+ hints.ai_family = AF_UNSPEC;
+ hints.ai_socktype = SOCK_STREAM;
+ hints.ai_protocol = 0;
+ hints.ai_flags = 0;
+
+ struct addrinfo *infos;
+ _syscall(getaddrinfo(host, port, &hints, &infos));
+
+ _assert(infos != NULL); try {
+ for (struct addrinfo *info(infos); info != NULL; info = info->ai_next) {
+ int client(_syscall(socket(info->ai_family, info->ai_socktype, info->ai_protocol))); try {
+ _syscall(connect(client, info->ai_addr, info->ai_addrlen));
+ client_ = client;
+ break;
+ } catch (...) {
+ _syscall(close(client));
+ throw;
+ }
+ }
+ } catch (...) {
+ freeaddrinfo(infos);
+ throw;
+ }
}
if (script == NULL && tty)
- Console(socket);
+ Console(options);
else {
- CYDriver driver(script ?: "<stdin>");
- cy::parser parser(driver);
- Setup(driver, parser);
+ std::istream *stream;
+ if (script == NULL) {
+ stream = &std::cin;
+ script = "<stdin>";
+ } else {
+ stream = new std::fstream(script, std::ios::in | std::ios::binary);
+ _assert(!stream->fail());
+ }
- char *start, *end;
+ if (timing_) {
+ std::stringbuf buffer;
+ stream->get(buffer, '\0');
+ _assert(!stream->fail());
- if (script == NULL) {
- start = NULL;
- end = NULL;
+ double average(0);
+ int samples(-50);
+ uint64_t start(CYGetTime());
- driver.file_ = stdin;
- } else {
- size_t size;
- start = reinterpret_cast<char *>(Map(script, &size));
- end = start + size;
+ for (;;) {
+ stream = new std::istringstream(buffer.str());
+
+ CYPool pool;
+ CYDriver driver(pool, *stream->rdbuf(), script);
+ Setup(driver);
- if (size >= 2 && start[0] == '#' && start[1] == '!') {
- start += 2;
+ uint64_t begin(CYGetTime());
+ driver.Parse();
+ uint64_t end(CYGetTime());
- if (void *line = memchr(start, '\n', end - start))
- start = reinterpret_cast<char *>(line);
- else
- start = end;
+ delete stream;
+
+ average += (end - begin - average) / ++samples;
+
+ uint64_t now(CYGetTime());
+ if (samples == 0)
+ average = 0;
+ else if ((now - start) / 1000000000 >= 1)
+ std::cout << std::fixed << average << '\t' << (end - begin) << '\t' << samples << std::endl;
+ else continue;
+
+ start = now;
}
- driver.data_ = start;
- driver.size_ = end - start;
+ stream = new std::istringstream(buffer.str());
+ std::cin.get();
}
- if (parser.parse() != 0 || !driver.errors_.empty()) {
+ CYPool pool;
+ CYDriver driver(pool, *stream->rdbuf(), script);
+ Setup(driver);
+
+ bool failed(driver.Parse());
+
+ if (failed || !driver.errors_.empty()) {
for (CYDriver::Errors::const_iterator i(driver.errors_.begin()); i != driver.errors_.end(); ++i)
std::cerr << i->location_.begin << ": " << i->message_ << std::endl;
- } else if (driver.program_ != NULL)
- if (socket != -1)
- Run(socket, start, end - start, stdout);
+ return 1;
+ } else if (driver.script_ != NULL) {
+ std::stringbuf str;
+ CYOutput out(str, options);
+ Setup(out, driver, options, true);
+ out << *driver.script_;
+ std::string code(str.str());
+ if (compile)
+ std::cout << code;
else {
- std::ostringstream str;
- CYOutput out(str);
- Setup(out);
- driver.program_->Multiple(out);
- std::string code(str.str());
- if (compile)
- std::cout << code;
- else
- Run(socket, code);
+ CYUTF8String json(Run(pool, client_, code));
+ if (CYStartsWith(json, "throw ")) {
+ CYLexerHighlight(json.data, json.size, std::cerr);
+ std::cerr << std::endl;
+ return 1;
+ }
}
+ }
}
return 0;
}
+
+_visible int main(int argc, char * const argv[], char const * const envp[]) {
+ try {
+ return Main(argc, argv, envp);
+ } catch (const CYException &error) {
+ CYPool pool;
+ fprintf(stderr, "%s\n", error.PoolCString(pool));
+ return 1;
+ }
+}
projects / cycript.git / blobdiff